Home / 74,598.32-111,896.37-18,438.43

Finding the Fourth Proportional to 74,598.32, 111,896.37 and 18,438.43

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Solution

The fourth proportional to 74,598.32, 111,896.37 and 18,438.43 is: 27,657.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,598.32 : 111,896.37 = 18,438.43 : x
  2. Step 2: Convert to fraction form
    74,598.32/111,896.37 = 18,438.43/x
  3. Step 3: Cross multiply
    74,598.32x = 111,896.37 × 18,438.43
  4. Step 4: Simplify right side
    74,598.32x = 2,063,192,733.83
  5. Step 5: Solve for x
    x = 2,063,192,733.83/74,598.32
  6. Step 6: Final answer
    x = 27,657.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.